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8 papers · 2 filters
Optimal Base Station Design with Limited Fronthaul: Massive Bandwidth or Massive MIMO?
Kamil Senel, Emil Björnson, Erik G. Larsson
To reach a cost-efficient 5G architecture, the use of remote radio heads connected through a fronthaul to baseband controllers is a promising solution. However, the fronthaul links…
Device Activity and Embedded Information Bit Detection Using AMP in Massive MIMO
Kamil Senel, Erik G. Larsson
Future cellular networks will support a massive number of devices as a result of emerging technologies such as Internet-of-Things and sensor networks. Enhanced by machine type comm…
Spectral and Energy Efficiency of Cell-Free Massive MIMO Systems with Hardware Impairments
Jiayi Zhang, Yinghua Wei, Emil Björnson +2
Cell-free massive multiple-input multiple-output (MIMO), with a large number of distributed access points (APs) that jointly serve the user equipments (UEs), is a promising network…
Spectral Efficiency of Multipair Massive MIMO Two-Way Relaying with Hardware Impairments
Jiayi Zhang, Xipeng Xue, Emil Björnson +2
We consider a multipair massive multiple-input multiple-output (MIMO) two-way relaying system, where multiple pairs of single-antenna devices exchange data with the help of a relay…
On Probability of Support Recovery for Orthogonal Matching Pursuit Using Mutual Coherence
Ehsan Miandji, Mohammad Emadi, Jonas Unger +1
In this paper we present a new coherence-based performance guarantee for the Orthogonal Matching Pursuit (OMP) algorithm. A lower bound for the probability of correctly identifying…
Jamming-Resistant Receivers for the Massive MIMO Uplink
Tan Tai Do, Emil Björnson, Erik G. Larsson +1
We design a jamming-resistant receiver scheme to enhance the robustness of a massive MIMO uplink system against jamming. We assume that a jammer attacks the system both in the pilo…